/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.felix.upnp.sample.clock;
import java.beans.PropertyChangeEvent;
import java.util.Dictionary;
import org.osgi.service.upnp.UPnPAction;
import org.osgi.service.upnp.UPnPStateVariable;
/*
* @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
*/
public class SetTimeAction implements UPnPAction {
final private String NAME = "SetTime";
final private String NEW_TIME_VALUE = "NewTime";
final private String NEW_RESULT_VALUE = "Result";
final private String[] IN_ARG_NAMES = new String[]{NEW_TIME_VALUE};
final private String[] OUT_ARG_NAMES = new String[]{NEW_RESULT_VALUE};
private UPnPStateVariable time,result;
public SetTimeAction(UPnPStateVariable time,UPnPStateVariable result){
this.time = time;
this.result=result;
}
/* (non-Javadoc)
* @see org.osgi.service.upnp.UPnPAction#getName()
*/
public String getName() {
return NAME;
}
/* (non-Javadoc)
* @see org.osgi.service.upnp.UPnPAction#getReturnArgumentName()
*/
public String getReturnArgumentName() {
return "Result";
}
/* (non-Javadoc)
* @see org.osgi.service.upnp.UPnPAction#getInputArgumentNames()
*/
public String[] getInputArgumentNames() {
return IN_ARG_NAMES;
}
/* (non-Javadoc)
* @see org.osgi.service.upnp.UPnPAction#getOutputArgumentNames()
*/
public String[] getOutputArgumentNames() {
return OUT_ARG_NAMES;
}
/* (non-Javadoc)
* @see org.osgi.service.upnp.UPnPAction#getStateVariable(java.lang.String)
*/
public UPnPStateVariable getStateVariable(String argumentName) {
if (argumentName.equals("NewTime")) return time;
else if (argumentName.equals("Result")) return result;
else return null;
}
/* (non-Javadoc)
*
* @see org.osgi.service.upnp.UPnPAction#invoke(java.util.Dictionary)
*/
public Dictionary invoke(Dictionary args) throws Exception {
Long newValue = (Long) args.get(NEW_TIME_VALUE);
Long oldValue = (Long) ((TimeStateVariable) time).getCurrentValue();
((TimeStateVariable) time).setCurrentTime(newValue.longValue());
ClockDevice.notifier.propertyChange(new PropertyChangeEvent(time,"Time",oldValue,newValue));
args.remove(NEW_TIME_VALUE);
args.put(NEW_RESULT_VALUE,((TimeStateVariable) time).getCurrentTime());
return args;
}
}